'Your connection is not private' 19/3/2026 - error on my homeserver duckdns urls
sudo certbot certificates [confirmed HTTPS certificate expired]
sudo certbot --nginx -d simbed.duckdns.org [re-issues certificate and recovers the index but not the wildcard domains]
export DUCKDNS_TOKEN="your-duckdns-token" [from https://www.duckdns.org/]
sudo certbot certonly \
--manual \
--preferred-challenges dns \
--manual-auth-hook ~/certbot-hooks/duckdns-auth.sh \
--manual-cleanup-hook ~/certbot-hooks/duckdns-cleanup.sh \
-d "*.simbed.duckdns.org" \
-d "simbed.duckdns.org"
ping parkrun-pro.simbed.duckdns.org [should now 200]